linux-kernel - Re: sparc64 build breakage...

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Date:	Thu, 22 Jan 2009 10:20:10 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	David Miller <davem@...emloft.net>, mpm@...enic.com,
	linux-kernel@...r.kernel.org
Subject: Re: sparc64 build breakage...


* Yinghai Lu <yinghai@...nel.org> wrote:

> > Meanwhile that particular comment is moot because ARM is genirq - but 
> > there's a handful of other non-genirq architectures so this area of code 
> > continues to be a mess.
> > 
> > I guess we could move all the APIs to kernel_stat.h. Yinghai?
> 
> sth like:

yes. I've applied your cleanup to irq/sparseirq [see the commit below] and 
started doing some build testing to see what the general impact is.

	Ingo

-------------------->
>From d52a61c04c6c0814ca270a088feedb126436598e Mon Sep 17 00:00:00 2001
From: Yinghai Lu <yinghai@...nel.org>
Date: Thu, 22 Jan 2009 00:38:56 -0800
Subject: [PATCH] irq: clean up irq stat methods

David Miller suggested, related to a kstat_irqs related build breakage:

> Either linux/kernel_stat.h provides the kstat_incr_irqs_this_cpu
> interface or linux/irq.h does, not both.

So move them to kernel_stat.h.

Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 include/linux/irq.h         |    6 ------
 include/linux/kernel_stat.h |    9 ++++++---
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index e9a8789..48901e9 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -202,12 +202,6 @@ extern struct irq_desc irq_desc[NR_IRQS];
 extern struct irq_desc *move_irq_desc(struct irq_desc *old_desc, int cpu);
 #endif /* CONFIG_SPARSE_IRQ */
 
-#define kstat_irqs_this_cpu(DESC) \
-	((DESC)->kstat_irqs[smp_processor_id()])
-#define kstat_incr_irqs_this_cpu(irqno, DESC) \
-	((DESC)->kstat_irqs[smp_processor_id()]++)
-
-
 extern struct irq_desc *irq_to_desc_alloc_cpu(unsigned int irq, int cpu);
 
 static inline struct irq_desc *
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index a3431b1..0c8b89f 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -52,16 +52,19 @@ static inline void kstat_incr_irqs_this_cpu(unsigned int irq,
 {
 	kstat_this_cpu.irqs[irq]++;
 }
-#endif
-
 
-#ifndef CONFIG_GENERIC_HARDIRQS
 static inline unsigned int kstat_irqs_cpu(unsigned int irq, int cpu)
 {
        return kstat_cpu(cpu).irqs[irq];
 }
 #else
+#include <linux/irq.h>
 extern unsigned int kstat_irqs_cpu(unsigned int irq, int cpu);
+#define kstat_irqs_this_cpu(DESC) \
+	((DESC)->kstat_irqs[smp_processor_id()])
+#define kstat_incr_irqs_this_cpu(irqno, DESC) \
+	((DESC)->kstat_irqs[smp_processor_id()]++)
+
 #endif
 
 /*
--
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